2 * Copyright (c) 2011 Rudolf Polzer
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5 * of this software and associated documentation files (the "Software"), to
6 * deal in the Software without restriction, including without limitation the
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9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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23 var float autocvar_cl_movement_errorcompensation = 0;
24 var float autocvar_cl_movement = 2; // testing purposes
27 #define REFDEFFLAG_TELEPORTED 1
28 #define REFDEFFLAG_JUMPING 2
29 float pmove_onground; // weird engine flag we shouldn't really use but have to for now
31 vector csqcplayer_origin, csqcplayer_velocity;
32 float csqcplayer_sequence, player_pmflags;
33 float csqcplayer_moveframe;
34 vector csqcplayer_predictionerroro;
35 vector csqcplayer_predictionerrorv;
36 float csqcplayer_predictionerrortime;
37 float csqcplayer_predictionerrorfactor;
39 vector CSQCPlayer_GetPredictionErrorO()
41 if(time >= csqcplayer_predictionerrortime)
43 return csqcplayer_predictionerroro * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
46 vector CSQCPlayer_GetPredictionErrorV()
48 if(time >= csqcplayer_predictionerrortime)
50 return csqcplayer_predictionerrorv * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
53 void CSQCPlayer_SetPredictionError(vector o, vector v, float onground_diff)
55 // error too big to compensate, we LIKELY hit a teleport or a
56 // jumppad, or it's a jump time disagreement that'll get fixed
59 // FIXME we sometimes have disagreement in order of jump velocity. Do not act on them!
61 // commented out as this one did not help
64 printf("ONGROUND MISMATCH: %d x=%v v=%v\n", onground_diff, o, v);
68 if(vlen(o) > 32 || vlen(v) > 192)
70 //printf("TOO BIG: x=%v v=%v\n", o, v);
74 if(!autocvar_cl_movement_errorcompensation)
76 csqcplayer_predictionerrorfactor = 0;
80 csqcplayer_predictionerroro = CSQCPlayer_GetPredictionErrorO() + o;
81 csqcplayer_predictionerrorv = CSQCPlayer_GetPredictionErrorV() + v;
82 csqcplayer_predictionerrorfactor = autocvar_cl_movement_errorcompensation / ticrate;
83 csqcplayer_predictionerrortime = time + 1.0 / csqcplayer_predictionerrorfactor;
86 void CSQCPlayer_Unpredict()
88 if(csqcplayer_status == CSQCPLAYERSTATUS_UNPREDICTED)
90 if(csqcplayer_status != CSQCPLAYERSTATUS_PREDICTED)
91 error("Cannot unpredict in current status");
92 self.origin = csqcplayer_origin;
93 self.velocity = csqcplayer_velocity;
94 csqcplayer_moveframe = csqcplayer_sequence+1; //+1 because the recieved frame has the move already done (server side)
95 self.pmove_flags = player_pmflags;
98 void CSQCPlayer_SetMinsMaxs()
100 if(self.pmove_flags & PMF_DUCKED)
102 self.mins = PL_CROUCH_MIN;
103 self.maxs = PL_CROUCH_MAX;
104 self.view_ofs = PL_CROUCH_VIEW_OFS;
110 self.view_ofs = PL_VIEW_OFS;
114 void CSQCPlayer_SavePrediction()
116 player_pmflags = self.pmove_flags;
117 csqcplayer_origin = self.origin;
118 csqcplayer_velocity = self.velocity;
119 csqcplayer_sequence = servercommandframe;
120 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
125 void CSQCPlayer_Physics(void)
127 switch(autocvar_cl_movement)
129 case 1: runstandardplayerphysics(self); break;
130 case 2: PM_Main(); break;
134 void CSQCPlayer_PredictTo(float endframe, float apply_error)
136 CSQCPlayer_Unpredict();
139 self.origin += CSQCPlayer_GetPredictionErrorO();
140 self.velocity += CSQCPlayer_GetPredictionErrorV();
142 CSQCPlayer_SetMinsMaxs();
144 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
147 // we don't need this
148 // darkplaces makes servercommandframe == 0 in these cases anyway
149 if (getstatf(STAT_HEALTH) <= 0)
151 csqcplayer_moveframe = clientcommandframe;
152 getinputstate(csqcplayer_moveframe-1);
153 print("the Weird code path got hit\n");
158 if(csqcplayer_moveframe >= endframe)
160 getinputstate(csqcplayer_moveframe - 1);
166 if (!getinputstate(csqcplayer_moveframe))
168 CSQCPlayer_Physics();
169 CSQCPlayer_SetMinsMaxs();
170 csqcplayer_moveframe++;
172 while(csqcplayer_moveframe < endframe);
175 //add in anything that was applied after (for low packet rate protocols)
176 input_angles = view_angles;
179 float CSQCPlayer_IsLocalPlayer()
181 return (self == csqcplayer);
184 void(entity e, float fl) V_CalcRefdef = #640; // DP_CSQC_V_CALCREFDEF
186 void CSQCPlayer_SetCamera()
189 v0 = pmove_vel; // TRICK: pmove_vel is set by the engine when we get here. No need to network velocity
197 #ifdef COMPAT_XON050_ENGINE
198 if(servercommandframe == 0 || clientcommandframe == 0 || !(checkextension("DP_CSQC_V_CALCREFDEF") || checkextension("DP_CSQC_V_CALCREFDEF_WIP1")))
200 if(servercommandframe == 0 || clientcommandframe == 0)
203 InterpolateOrigin_Do();
204 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
206 // get crouch state from the server
207 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
208 self.pmove_flags &= ~PMF_DUCKED;
209 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
210 self.pmove_flags |= PMF_DUCKED;
212 // get onground state from the server
214 self.pmove_flags |= PMF_ONGROUND;
216 self.pmove_flags &= ~PMF_ONGROUND;
218 CSQCPlayer_SetMinsMaxs();
220 // override it back just in case
221 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
228 float flg = self.iflags;
229 self.iflags &= ~(IFLAG_ORIGIN | IFLAG_ANGLES);
230 InterpolateOrigin_Do();
233 if(csqcplayer_status == CSQCPLAYERSTATUS_FROMSERVER)
238 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
239 CSQCPlayer_PredictTo(servercommandframe + 1, FALSE);
240 CSQCPlayer_SetPredictionError(self.origin - o, self.velocity - v, pmove_onground - !!(self.pmove_flags & PMF_ONGROUND));
244 // get crouch state from the server
245 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
246 self.pmove_flags &= ~PMF_DUCKED;
247 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
248 self.pmove_flags |= PMF_DUCKED;
250 // get onground state from the server
252 self.pmove_flags |= PMF_ONGROUND;
254 self.pmove_flags &= ~PMF_ONGROUND;
256 CSQCPlayer_SavePrediction();
258 CSQCPlayer_PredictTo(clientcommandframe + 1, TRUE);
260 #ifdef CSQCMODEL_SERVERSIDE_CROUCH
261 // get crouch state from the server (LAG)
262 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
263 self.pmove_flags &= ~PMF_DUCKED;
264 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
265 self.pmove_flags |= PMF_DUCKED;
268 CSQCPlayer_SetMinsMaxs();
270 self.angles_y = input_angles_y;
274 setorigin(self, self.origin);
280 #ifdef COMPAT_XON050_ENGINE
281 view = CSQCModel_server2csqc((spectatee_status > 0) ? spectatee_status : player_localentnum);
283 view = CSQCModel_server2csqc(player_localentnum);
286 if(view && view != csqcplayer)
288 entity oldself = self;
290 InterpolateOrigin_Do();
291 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
295 #ifdef COMPAT_XON050_ENGINE
296 if(view && !(checkextension("DP_CSQC_V_CALCREFDEF") || checkextension("DP_CSQC_V_CALCREFDEF_WIP1")))
298 // legacy code, not totally correct, but good enough for not having V_CalcRefdef
299 setproperty(VF_ORIGIN, view.origin + '0 0 1' * getstati(STAT_VIEWHEIGHT));
300 setproperty(VF_ANGLES, view_angles);
306 var float refdefflags = 0;
308 if(view.csqcmodel_teleported)
309 refdefflags |= REFDEFFLAG_TELEPORTED;
311 if(input_buttons & 4)
312 refdefflags |= REFDEFFLAG_JUMPING;
314 // note: these two only work in WIP2, but are harmless in WIP1
315 if(getstati(STAT_HEALTH) <= 0)
316 refdefflags |= REFDEFFLAG_DEAD;
319 refdefflags |= REFDEFFLAG_INTERMISSION;
321 V_CalcRefdef(view, refdefflags);
325 // FIXME by CSQC spec we have to do this:
326 // but it breaks chase cam
328 setproperty(VF_ORIGIN, pmove_org + '0 0 1' * getstati(STAT_VIEWHEIGHT));
329 setproperty(VF_ANGLES, view_angles);
333 { CSQCPLAYER_HOOK_POSTCAMERASETUP }
336 void CSQCPlayer_Remove()
339 cvar_settemp("cl_movement_replay", "1");
342 float CSQCPlayer_PreUpdate()
344 if(self != csqcplayer)
346 if(csqcplayer_status != CSQCPLAYERSTATUS_FROMSERVER)
347 CSQCPlayer_Unpredict();
351 float CSQCPlayer_PostUpdate()
353 if(self.entnum != player_localnum + 1)
356 csqcplayer_status = CSQCPLAYERSTATUS_FROMSERVER;
357 cvar_settemp("cl_movement_replay", "0");
358 self.entremove = CSQCPlayer_Remove;